n = 3 - n + 2 = 5, n = 12 - n - 2 = 10, n = 7 - n x 2 = 14, n = 18 - n/6 = 3, n = 8 - n + 4 = 12, n = 15 - n - 5 = 10, n = 9 - n x 5 = 45, n = 14 - n/2 = 7,

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